Home / 7,347.41-10,139.43-4,160.67

Finding the Fourth Proportional to 7,347.41, 10,139.43 and 4,160.67

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Solution

The fourth proportional to 7,347.41, 10,139.43 and 4,160.67 is: 5,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.41 : 10,139.43 = 4,160.67 : x
  2. Step 2: Convert to fraction form
    7,347.41/10,139.43 = 4,160.67/x
  3. Step 3: Cross multiply
    7,347.41x = 10,139.43 × 4,160.67
  4. Step 4: Simplify right side
    7,347.41x = 42,186,822.22
  5. Step 5: Solve for x
    x = 42,186,822.22/7,347.41
  6. Step 6: Final answer
    x = 5,741.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.